timberjack 608 problems

[Dezert608]

iv got a timberjack 608 with a quadco hot saw and im having hydraulic problems when the blade is on the right side track looses power and when i look in the back there are two ball valve where the hydraulic houses connected to them and when i switch them around i get full power to the tracks but the head doesn't work and i was curious on how can i find hydraulic schematics for the timberjack and quadco iv looked and called every where its like a needle in a hay stack 

[furltech]

Where are you at dezert608?

[kiko]

jdparts.com  Online parts cataloge will not have schematic but will have hydraulic installation whick should help you run down the problem.